@article{601354,
      note = {An enlarged edition of Robert Waddington's anonymous 'Of  the reflecting sextant, and its use at sea', published in  [1775?].},
      author = {Waddington, Robert.},
      url = {http://library.usi.edu/record/601354},
      title = {The sea officers companion, being an appendix to  Waddington's Navigation; (which makes it a complete system  of that art) containing several methods of obtaining the  latitude of a place either at Sea or on Land, both by Sun  and Moon. The Variation of the Needle, Obtained by the  Moon. A Table of the Limits of the Times for taking the  Altitudes of Sun or Moon, in order to obtain the Latitude  from Two Altitudes and the Time Elapsed. The Method of  obtaining the Longitude at Sea, and of computing the  Observations in a concise and easy Manner. The Nature and  Principle of Refraction and Reflection, as Defined by Sir  Isaac Newton. Tables of Refraction, and Parallax of the  Moon at All Altitudes, illustrated. The Solar System  Described. The Method of using Artificial Horizons both at  sea and land. The Method of using Artificial Horizons both  at sea and land. The Method of Surveying Coasts and  Harbours, with Copper-Plate Plans for the Illustration. By  R. Waddington, Teacher of Mathematics, Surry-Side,  Westminster-Bridge. [electronic resource] :},
      publisher = {printed for the author,},
      recid = {601354},
      pages = {[4],40p.,plates :},
      address = {London :},
      year = {1778},
}